u-blox

5 Bluetooth

Bluetooth commands

5.1 AT Commands

AT Command
Description
Bluetooth Mode
Bluetooth Connect
Bluetooth Persistent
Bluetooth Persistent Remove
Bluetooth Persistent List
Bluetooth Disconnect
Bluetooth Local Name
Bluetooth Discovery
Bluetooth Background Discovery
Bluetooth RSSI
Bluetooth Connection List
Bluetooth Connection Status
Bluetooth Advertising Data
Bluetooth Scan Data
Bluetooth Advertisements
Bluetooth Directed Advertisement
Bluetooth Connection Settings
Bluetooth Advertisement Settings.
Bluetooth I/O Capabilities
Bluetooth Bond Security Mode
Bluetooth Pairing Mode
Bluetooth User Confirmation
User passkey entry
Bluetooth Bond
Bluetooth Unbond
Bluetooth Bonded Devices List
Bluetooth Device Information Service
Bluetooth PHY Request

5.1.1 AT+UBTM - Bluetooth Mode

Set and read Bluetooth Mode.
Syntax
AT Command
Description
AT+UBTM=<bt_mode>
Set Bluetooth Mode.

Notes:
Requires AT&W and a reboot before taking effect.
AT+UBTM?
Read Bluetooth Mode.
Response
Description
+UBTM:<bt_mode>
Successful read response.
Defined values
Parameter
Type
Description
bt_mode
enumerator
Valid values:
0: Disabled.
1: Bluetooth Low Energy Central.
In this mode, starting advertisements, direct advertisements and other functions associated
with the Peripheral role is not possible.

2: Bluetooth Low Energy Peripheral.
In this mode, initiating connections, discovery and other functions associated with
the Central role is not possible.

3: Bluetooth Low Energy Simultaneous Central and Peripheral. This is the factory default for NORA-W36.

5.1.2 AT+UBTC - Bluetooth Connect

Make an ACL connection to a remote device with defined protocol type. Unsolicited events +UEBTC or +UEBTDC will be sent out to confirm the connection establishment.
Syntax
AT Command
Description
AT+UBTC=<bd_addr>
Initiate connection.
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.1.3 AT+UBTP - Bluetooth Persistent

Syntax
AT Command
Description
AT+UBTP=<bd_addr>,<connect_sps>
Configure an ACL link with automatic re-connection. As opposed to AT+UBTC, this command will not initiate a connection directly but is used for storing a connection configuration persistently so that the link is automatically setup on boot.
See also AT+USOP

Notes:
Requires AT&W and a reboot before taking effect.
Response
Description
+UBTP:<config_id>
Successful write response, returning a configuration id identifying the configuration
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.
connect_sps
integer
Should start a SPS connection when ACL link is up.
Integer Boolean flag 0 = No, 1 = Yes


Valid values: 0 or 1
config_id
integer
Configuration id

Valid values: 200 only

5.1.4 AT+UBTPR - Bluetooth Persistent Remove

Remove a Persistent Bluetooth Connection configuration
Syntax
AT Command
Description
AT+UBTPR=<config_id>
Removes a persistent bluetooth connection configuration

Notes:
The corresponding link will be automatically disconnected
Can be stored using AT&W.
Defined values
Parameter
Type
Description
config_id
integer
Configuration id

Valid values: 200 only

5.1.5 AT+UBTPL - Bluetooth Persistent List

List all configured persistent bluetooth connections
Syntax
AT Command
Description
AT+UBTPL?
List the currently configured Persistent Bluetooth Connections
Response
Description
+UBTPL:<config_id>,<bd_addr>,<connect_sps>
Successful read response
Defined values
Parameter
Type
Description
config_id
integer
Configuration id

Valid values: 200 only
bd_addr
bd_addr
Bluetooth device address of the remote device.
connect_sps
integer
Should start a SPS connection when ACL link is up.
Integer Boolean flag 0 = No, 1 = Yes


Valid values: 0 or 1

5.1.6 AT+UBTDC - Bluetooth Disconnect

Used to close an ACL connection.
Syntax
AT Command
Description
AT+UBTDC=<conn_handle>
Close an existing ACL connection.
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.

5.1.7 AT+UBTLN - Bluetooth Local Name

Set the local name used as device name for Bluetooth Classic, in the advertising data of the device and in the Device Information service for Bluetooth low energy.
Syntax
AT Command
Description
AT+UBTLN?
Reads the local Bluetooth device name.
AT+UBTLN=<device_name>
Writes the local Bluetooth device name.

Notes:
Can be stored using AT&W.
Response
Description
+UBTLN:<device_name>
Successful read response.
Defined values
Parameter
Type
Description
device_name
string
For Bluetooth low energy the maximum size is 29 characters.

Valid length: 0..29

5.1.8 AT+UBTD - Bluetooth Discovery

Performs a discovery procedure to find any advertising devices in the vicinity.
Syntax
AT Command
Description
AT+UBTD
Start discovery using default parameters
AT+UBTD=<discovery_type>[,<discovery_mode>[,<discovery_length>]]
Start discovery.
Response
Description
+UBTD:<bd_addr>,<rssi>,<device_name>,<data_type>,<data>
This response is sent for every found device. If no name is found, <device_name> is an empty string, if is set to Active, both Scan responses and Advertisements will be shown.
Defined values
Parameter
Type
Description
discovery_type
enumerator
Valid values:
0: All with no filter. Displays all found devices; devices can be displayed multiple times.
1: General inquiry. Displays devices in General or Limited discoverability mode; each device is displayed only once.
discovery_mode
enumerator
Valid values:
0: Active discovery.
1: Passive, no scan response data will be received.

Default value: 0
discovery_length
integer
Timeout measured in milliseconds. Time range: 10 ms - 40 s

Valid values: 10..40000

Default value: 5000
device_name
string
Name of the discovered device.
data_type
enumerator
Valid values:
0: Scan response data.
1: Advertise data.
data
byte_array
Complete advertise/scan response data received from the remote device.
bd_addr
bd_addr
Bluetooth device address of the remote device.
rssi
integer
Received signal strength in dBm.

5.1.9 AT+UBTBGD - Bluetooth Background Discovery

Start a background discovery.
Syntax
AT Command
Description
AT+UBTBGD=<background_discovery_mode>
Start/Stop background discovery
AT+UBTBGD?
Read background discovery mode
Response
Description
+UBTBGD:<background_discovery_mode>
Successful read response
Defined values
Parameter
Type
Description
background_discovery_mode
enumerator
Valid values:
0: Set background discovery off
1: Set background discovery on

5.1.10 AT+UBTRSS - Bluetooth RSSI

Returns the current received RSSI for a specified Bluetooth connection.
Syntax
AT Command
Description
AT+UBTRSS=<conn_handle>
Returns the current RSSI for a specified Bluetooth connection.
Response
Description
+UBTRSS:<rssi>
Successful response.
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.
rssi
integer
Received signal strength in dBm.

5.1.11 AT+UBTCL - Bluetooth Connection List

List all active Bluetooth low energy ACl connections.
Syntax
AT Command
Description
AT+UBTCL
List all Bluetooth low energy ACL connections.
Response
Description
+UBTCL:<conn_handle>,<bd_addr>
Sent for every connection.
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.1.12 AT+UBTCST - Bluetooth Connection Status

Read negotiated properties of a Bluetooth low energy ACL connection. Some of the properties are a result of negotiation when a connections is set up, and this command gives the possibility to see what properties the connection actually uses.
Syntax
AT Command
Description
AT+UBTCST=<conn_handle>
Read all properties of an existing Bluetooth low energy ACL connection.
AT+UBTCST=<conn_handle>,<property_id>
Read a specific property of an existing Bluetooth low energy ACL connection.
Response
Description
+UBTCST:<property_id>,<status_val>
One response for each property_id.
Defined values
Parameter
Type
Description
status_val
integer
Value of the preceding property.
property_id
enumerator
Valid values:
0: Connection interval used on this connection.
Range: 6 to 3200
Time = status_val * 1.25 ms
Time range: 7.5 ms to 4000 ms

1: Peripheral latency for the connection in number of connection events. Range: 0 to 499
2: Supervision timeout (in ms) for this connections. Range: 100 ms to 32000 ms
3: MTU size for this connections.
4: Data Channel TX PDU Payload Length.
5: Data Channel RX PDU Payload Length.
6: Data Length Extension state. 0: Data Length Extension Off \ 1: Data Length Extension On
7: Local role in this connection. 1: Low Energy Central \ 2: Low Energy Peripheral
8: TX Phy used in this connection
Bit 0: 1 Mbps
Bit 1: 2 Mbps
Bit 2: reserved for future use

9: RX Phy used in this connection
Bit 0: 1 Mbps
Bit 1: 2 Mbps
Bit 2: reserved for future use
conn_handle
integer
Connection handle of the Bluetooth low energy connection.

5.1.13 AT+UBTAD - Bluetooth Advertising Data

Command for setting custom advertising data in Bluetooth low energy. Maximum of 28 bytes. Any custom advertising data will be appended to the default mandatory flags field. Note that the AT command AT+UBTD supports scan modes that can be used to see the complete advertising data. This is useful when testing the advertising configurations set with the AT+UBTAD. By default, the service UUID for the u-blox Serial Port Service is part of the advertising data.
Syntax
AT Command
Description
AT+UBTAD=<adv_data>
Write custom advertising data.

Notes:
Can be stored using AT&W.
AT+UBTAD?
Read custom advertising data.
Response
Description
+UBTAD:<adv_data>
Successful read response.
Defined values
Parameter
Type
Description
adv_data
byte_array
Valid length: 2..28

5.1.14 AT+UBTSD - Bluetooth Scan Data

Command for setting custom scan response data in Bluetooth low energy. Any custom scan response data will override the default scan response data. By default, the local name is part of the scan response data.
Syntax
AT Command
Description
AT+UBTSD=<scan_rsp_data>
Write scan response data.

Notes:
Can be stored using AT&W.
AT+UBTSD?
Read scan response data.
Response
Description
+UBTSD:<scan_rsp_data>
Successful read response.
Defined values
Parameter
Type
Description
scan_rsp_data
byte_array
Valid length: 1..31

5.1.15 AT+UBTA - Bluetooth Advertisements

Command for enabling and disabling advertisements
Syntax
AT Command
Description
AT+UBTA=<adv_mode>
Set advertisements on or off.

Notes:
Can be stored using AT&W.
AT+UBTA?
Read advertisement mode.
Response
Description
+UBTA:<adv_mode>
Successful read response.
Defined values
Parameter
Type
Description
adv_mode
enumerator
Valid values:
0: Set Bluetooth Advertisements off
1: Set Bluetooth Advertisements on

5.1.16 AT+UBTDA - Bluetooth Directed Advertisement

Start a directed advertisement to a given Bluetooth Address
Syntax
AT Command
Description
AT+UBTDA=<bd_addr>[,<timeout>]
Starts directed advertisements to Bluetooth Address. If bd_addr is FFFFFFFFFFFF, direct advertisements will be disabled.
By default the timeout is 1280 ms, and uses High Duty Cycle Advertising. A timeout greater than this will result in
Low Duty Cycle Advertising as High Duty Cycle Advertising has a limited use of only 1280 ms. Setting timeout to 0 will let the
device advertise indefinitely in Low Duty Cycle mode.
Defined values
Parameter
Type
Description
timeout
integer
Timeout for Directed Advertisements.

Default value: 1280
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.1.17 AT+UBTCS - Bluetooth Connection Settings

Get and set connection related settings
Syntax
AT Command
Description
AT+UBTCS0=<connection_interval_minimum>
Write connection interval minimum.

Notes:
Can be stored using AT&W.
AT+UBTCS0?
Read Connection Interval minium.
AT+UBTCS1=<connection_interval_maximum>
Write connection interval maximum.

Notes:
Can be stored using AT&W.
AT+UBTCS1?
Read Connection Interval maximum.
AT+UBTCS2=<connection_peripheral_latency>
Write connection peripheral latency.

Notes:
Can be stored using AT&W.
AT+UBTCS2?
Read connection peripheral latency.
AT+UBTCS3=<connection_linkloss_timeout>
Write connection linkloss timeout.

Notes:
Can be stored using AT&W.
AT+UBTCS3?
Read connection linkloss timeout.
AT+UBTCS4=<preferred_tx_phy>
Write Preferred TX PHY.

Notes:
Can be stored using AT&W.
AT+UBTCS4?
Read Preferred TX PHY.
AT+UBTCS5=<preferred_rx_phy>
Write Preferred RX PHY.

Notes:
Can be stored using AT&W.
AT+UBTCS5?
Read Preferred RX PHY.
AT+UBTCS?
Read all Bluetooth Configuration param values.
Response
Description
+UBTCS0:<connection_interval_minimum>
Successful read of connection interval minimum.
+UBTCS1:<connection_interval_maximum>
Successful read of connection interval maximum.
+UBTCS2:<connection_peripheral_latency>
Successful read of connection peripheral latency.
+UBTCS3:<connection_linkloss_timeout>
Successful read of connection linkloss timeout.
+UBTCS4:<preferred_tx_phy>
Successful read of Preferred TX PHY.
+UBTCS5:<preferred_rx_phy>
Successful read of Preferred RX PHY.
+UBTCS:<param>,<value>
Successful read response for AT+UBTCS.
Defined values
Parameter
Type
Description
connection_interval_minimum
integer
Connection interval minimum (must be <= Connection interval maximum). Final results will be a result of negotiation between devices.
Default: 24.
Calculation: connection_interval_minimum * 1.25. ms

Valid values: 6..3200

Default value: 24
connection_interval_maximum
integer
Connection interval maximum (must be >= Connection interval minimum). Final results will be a result of negotiation between devices.
Default: 40.
Calculation: connection_interval_maximum * 1.25 ms.

Valid values: 6..3200

Default value: 40
connection_peripheral_latency
integer
Connection peripheral latency.
Default: 0
Calculation: Number of connection events.

Valid values: 0..500

Default value: 0
connection_linkloss_timeout
integer
Connection linkloss timeout.
Default: 2000
Calculation: connection_linkloss_timeout ms

Valid values: 100..32000

Default value: 2000
preferred_tx_phy
integer
Preferred Transmitter PHY
0: Let other side decide
OR a bit field with three bits:
Bit 0: 1 Mbps preferred
Bit 1: 2 Mbps preferred
Bit 2: reserved for future use


Valid values: 0..7

Default value: 0
preferred_rx_phy
integer
Preferred Receiver PHY
0: Let other side decide
OR a bit field with three bits:
Bit 0: 1 Mbps preferred
Bit 1: 2 Mbps preferred
Bit 2: reserved for future use


Valid values: 0..7

Default value: 0
param
enumerator
Connection parameter.

Valid values:
0: Connection interval minimum.
1: Connection interval maximum.
2: Connection peripheral latency.
3: Connection linkloss timeout.
4: Preferred Transmitter PHY
5: Preferred Receiver PHY
value
integer
Value of connection parameter.

Valid values: 0..65535

5.1.18 AT+UBTAS - Bluetooth Advertisement Settings.

Get and Set Advertisement Settings.
Syntax
AT Command
Description
AT+UBTAS0=<advertisement_interval_minimum>
Write advertisement interval minimum.
AT+UBTAS0?
Read advertisement Interval miniumum.
AT+UBTAS1=<advertisement_interval_maximum>
Write advertisement interval maximum.
AT+UBTAS1?
Read advertisement Interval maximum.
AT+UBTAS?
Read all Advertising parameter setting values.
Response
Description
+UBTAS0:<advertisement_interval_minimum>
Successful read of connection interval minimum.
+UBTAS1:<advertisement_interval_maximum>
Successful read of advertisement interval maximum.
+UBTAS:<adv_param>,<value>
Successful read response for AT+UBTAS?.
Defined values
Parameter
Type
Description
advertisement_interval_minimum
integer
Advertising interval minimum (must be <= Advertising interval maximum.
Default: 1600.
Calculation: advertisement_interval_minimum * 0.625 ms)

Valid values: 32..16384

Default value: 1600
advertisement_interval_maximum
integer
Advertising interval maximum (must be >= Advertising interval minimum.
Default: 2000.
Calculation: advertisement_interval_maximum * 0.625 ms)

Valid values: 32..16384

Default value: 2000
value
integer
Value of advertisement parameter.

Valid values: 0..65535
adv_param
enumerator
Advertisement parameter.

Valid values:
0: Advertisement interval minimum.
1: Advertisement interval maximum.

5.1.19 AT+UBTIOC - Bluetooth I/O Capabilities

Set Bluetooth I/O Capabilities, this impacts the possible bonding procedure between devices.
Syntax
AT Command
Description
AT+UBTIOC=<io_capabilities>
Set I/O Capabilities

Notes:
Can be stored using AT&W.
AT+UBTIOC?
Read I/O Capabilities
Response
Description
+UBTIOC:<io_capabilities>
Successful read response for AT+UBTIOC?.
Defined values
Parameter
Type
Description
io_capabilities
enumerator
Valid values:
0: Set I/O Capabilities to No Input No Output.
1: Set I/O Capabilities to Display Only.
2: Set I/O Capabilities to Display Yes/No
3: Set I/O Capabilities to Keyboard Only.
4: Set I/O Capabilities to Keyboard Display.

Default value: 0

5.1.20 AT+UBTBSM - Bluetooth Bond Security Mode

Set the security mode of the device. This command works together with AT+UBTIOC to determine the bonding procedure used.
Syntax
AT Command
Description
AT+UBTBSM=<bt_security_mode>
Writes the security mode

Notes:
Can be stored using AT&W.
AT+UBTBSM?
Reads the security mode
Response
Description
+UBTBSM:<bt_security_mode>
Successful read response for AT+UBTBSM?
Defined values
Parameter
Type
Description
bt_security_mode
enumerator
Valid values:
0: Security Disabled.
1: Allow unauthenticated bonding.
2: Only allow authenticated bonding.
3: Only allow authenticated bonding with encrypted Bluetooth link. Fallback to simple pairing if the remote side does not support secure connections.
4: Only allow authenticated bonding with encrypted Bluetooth link. Strictly uses secure connections.

Default value: 0

5.1.21 AT+UBTPM - Bluetooth Pairing Mode

Enable or disable pairing.
Syntax
AT Command
Description
AT+UBTPM=<pairing_mode>
Writes the pairing mode.

Notes:
Can be stored using AT&W.
AT+UBTPM?
Read current pairing mode.
Response
Description
+UBTPM:<pairing_mode>
Successful read response for AT+UBTPM?
Defined values
Parameter
Type
Description
pairing_mode
enumerator
Valid values:
0: Disable pairing mode.
1: Enable pairing mode.

Default value: 0

5.1.22 AT+UBTUC - Bluetooth User Confirmation

The user confirmation is used together with IO capability DisplayYesNo to repond to a user confirmation request (+UEBTUC). The command shall be used only after +UEBTUC has been received.
Syntax
AT Command
Description
AT+UBTUC=<bd_addr>,<yes_no>
Respond to +UEUBTUC and confirm/deny bonding.
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.
yes_no
enumerator
Valid values:
0: Deny bonding.
1: Confirm bonding.

5.1.23 AT+UBTUPE - User passkey entry

The user passkey entry is used together with IO capability KeyboardOnly to respond on a user passkey entry request (+UEBTUPE). This command shall be used only after +UEBTUPE has been received.
Syntax
AT Command
Description
AT+UBTUPE=<bd_addr>,<yes_no>[,<passkey>]
Respond to +UEBTUPE event and confirm/deny bonding.
Defined values
Parameter
Type
Description
passkey
integer
Passkey used to confirm bonding, if yes_no is set to no, this can be omitted.

Valid values: 0..999999
bd_addr
bd_addr
Bluetooth device address of the remote device.
yes_no
enumerator
Valid values:
0: Deny bonding.
1: Confirm bonding.

5.1.24 AT+UBTB - Bluetooth Bond

Performs a GAP bond procedure with another Bluetooth device. For some I/O Capabilities, user interaction is required during the bonding procedure. The procedure to use is determined by the I/O Capabilities and security mode.
Syntax
AT Command
Description
AT+UBTB=<bd_addr>
Initiate bonding. To perform the bonding, the remote device must be in a pairable and connectable mode. Bond Event +UEBTB is genereated once the bond is complete.
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.1.25 AT+UBTUB - Bluetooth Unbond

Unbond from a previously bonded device.
Syntax
AT Command
Description
AT+UBTUB=<bd_addr>
Removes a single previously bonded device.
AT+UBTUB
Removes all previously bonded devices.
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.
Notes
These AT commands will remove the bond from the local device only.

5.1.26 AT+UBTBDL - Bluetooth Bonded Devices List

Reads the list of bonded devices.
Syntax
AT Command
Description
AT+UBTBDL
Read list of bonded devices.
Response
Description
+UBTBDL:<bd_addr>
This response is sent for every found device.
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.1.27 AT+UBTDIS - Bluetooth Device Information Service

Write and read the module’s Device Information Service (DIS) characteristics.
Syntax
AT Command
Description
AT+UBTDIS=<characteristic_id>,<characteristic_value>
Set a characteristic value.

Notes:
Can be stored using AT&W.
AT+UBTDIS=<characteristic_id>
Read a characteristic value.
AT+UBTDIS?
Read all individual characteristic of the Device Information Service characteristics.
Response
Description
+UBTDIS:<characteristic_id>,<characteristic_value>
Successful read response.
Defined values
Parameter
Type
Description
characteristic_id
enumerator
Valid values:
0: Manufacturer name string. Maximum length of the custom string is 31 characters.
1: Model name string. Maximum length of the custom string is 20 characters.
2: Firmware revision string. Maximum length of the custom string is 20 characters.
3: Software revision string. Maximum length of the custom string is 20 characters.
characteristic_value
string
Value of Device Information Service characteristic.

5.1.28 AT+UBTPHYR - Bluetooth PHY Request

Request a new PHY configuration for a connection. If tx PHY or rx PHY is 0, the module will select PHYs based on the peer requirements on that specific direction. If the peer does not support the PHY update procedure, then the resulting +UEBTPHYU event will have a error status other than success.
Syntax
AT Command
Description
AT+UBTPHYR=<conn_handle>,<tx_phy>,<rx_phy>
Requests a Bluetooth Low Energy PHY update.
AT+UBTPHYR=<conn_handle>
Reads current PHYs for a connection.
Response
Description
+UBTPHYR:<conn_handle>,<tx_phy>,<rx_phy>
Successful read response.
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.
tx_phy
integer
Requested PHY for Transmitter:
0: Let other side decide
OR a bit field with three bits:
Bit 0: 1 Mbps preferred
Bit 1: 2 Mbps preferred
Bit 2: Coded PHY (S=8). Not supported by NORA-W36


Valid values: 0..7
rx_phy
integer
Requested PHY for Receiver
0: Let other side decide
OR a bit field with three bits:
Bit 0: 1 Mbps preferred
Bit 1: 2 Mbps preferred
Bit 2: Coded PHY (S=8). Not supported by NORA-W36


Valid values: 0..7

5.2 Unsolicited Response Codes

Unsolicited Response Code
Description
Event Bluetooth Connected
Event Bluetooth Disconnected
Event Bluetooth Bond status
Event Bluetooth User Confirmation
Event Bluetooth Passkey entry
Event Bluetooth Passkey request
Event Bluetooth PHY update

5.2.1 +UEBTC - Event Bluetooth Connected

Event indicating successful Bluetooth connection.
Syntax
+UEBTC:<conn_handle>,<bd_addr>
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.2.2 +UEBTDC - Event Bluetooth Disconnected

Event indicating a disconnected Bluetooth connection.
Syntax
+UEBTDC:<conn_handle>
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.

5.2.3 +UEBTB - Event Bluetooth Bond status

Event indicates that a bonding procedure is completed.
Syntax
+UEBTB:<bd_addr>,<bond_status>
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.
bond_status
enumerator
Bonding status

Valid values:
0: Bonding procedure succeeded.
1: Bonding procedure failed due to page timeout.
2: Bonding failed because of authentication or pairing failed. This could be due to incorrect PIN/passkey.
3: Bonding failed because the protection against Man-In-The-Middle attack could not be guaranteed; the generated link key was too weak.

5.2.4 +UEBTUC - Event Bluetooth User Confirmation

This event is used while bonding with IO capability DisplayYesNo. This event indicates that the user confirmation of a numeric value is required.
Syntax
+UEBTUC:<bd_addr>,<numeric_value>
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.
numeric_value
integer
Numeric value.

Valid values: 0..999999

5.2.5 +UEBTUPD - Event Bluetooth Passkey entry

This event is used to indicate to the user that a passkey has to be entered on the remote device during a bonding procedure with the IO capability DisplayOnly.
Syntax
+UEBTUPD:<bd_addr>,<numeric_value>
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.
numeric_value
integer
Numeric value.

Valid values: 0..999999

5.2.6 +UEBTUPE - Event Bluetooth Passkey request

This event is used during bonding with IO capability KeyboardOnly to indicate that a passkey is required from the user. User should respond to this event with the AT+UBTUPE command.
Syntax
+UEBTUPE:<bd_addr>
Defined values
Parameter
Type
Description
bd_addr
bd_addr
Bluetooth device address of the remote device.

5.2.7 +UEBTPHYU - Event Bluetooth PHY update

This event informs the result of a PHY update procedure. It may be generated as a result of the command AT+UBTPHYR or as a successful event, if the operation has been initiated by the remote peer.
Syntax
+UEBTPHYU:<conn_handle>,<phy_status>,<tx_phy>,<rx_phy>
Defined values
Parameter
Type
Description
conn_handle
integer
Connection handle of the Bluetooth low energy connection.
phy_status
integer
Bluetooth status codes:
0: Success
0x01-0xFF: Error, see Bluetooth Core Specifications, Vol 2, Part D.


Valid values: 0..255
tx_phy
integer
Requested PHY for Transmitter:
0: Let other side decide
OR a bit field with three bits:
Bit 0: 1 Mbps preferred
Bit 1: 2 Mbps preferred
Bit 2: Coded PHY (S=8). Not supported by NORA-W36


Valid values: 0..7
rx_phy
integer
Requested PHY for Receiver
0: Let other side decide
OR a bit field with three bits:
Bit 0: 1 Mbps preferred
Bit 1: 2 Mbps preferred
Bit 2: Coded PHY (S=8). Not supported by NORA-W36


Valid values: 0..7
Last updated: 04 March 2025
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